Roof of a truck vehicle



FIG. 1 is a left, front perspective view of a roof of a truck vehicle showing our new design;

FIG. 2 is a left side view of the invention shown in FIG. 1;

FIG. 3 is a right side view of the invention shown in FIG. 1;

FIG. 4 is a top view of the invention shown in FIG. 1;

FIG. 5 is a front view of the invention shown in FIG. 1; and,

FIG. 6 is a back view of the invention shown in FIG. 1. 

The ornamental design for a roof of a truck vehicle, as shown and described. 